Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 7.37
Milk (kg) -6.00 -0.014 0.08
Fat (kg) -9.36 -0.375 3.51
Prot (kg) -8.57 -0.441 3.78
Fertility Sub Index -4.04
Calving Interval (days) 1.93 -1.459 -2.82
Survival (%) -1.10 1.117 -1.23
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.09
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.00 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index 0.95
Live WT (kg) -3.10 -0.307 0.95
Total Carbon Sub Index 3.82

* Based on an €80/tonne carbon price